Changes by: Jason Hickey (jyh at cs.caltech.edu)
Date: 2005-03-02 11:36:42 -0800 (Wed, 02 Mar 2005)
Revision: 6815
Log message:
Instead of having a special form for tuple subscripts,
add an operand MemRegOffW{'r : Register; 'i : Int} that
interprets the index 'i as being a word index.